netlink: 2 bytes leftover after parsing attributes in process `syz-executor1'.
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 9722 Comm: syz-executor0 Not tainted 4.13.0-rc6+ #22
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d141a680 task.stack: ffff8801cf850000
RIP: 0010:find_and_alloc_map kernel/bpf/syscall.c:103 [inline]
RIP: 0010:map_create kernel/bpf/syscall.c:330 [inline]
RIP: 0010:SYSC_bpf kernel/bpf/syscall.c:1478 [inline]
RIP: 0010:SyS_bpf+0xd18/0x5160 kernel/bpf/syscall.c:1459
RSP: 0018:ffff8801cf8577c8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 000000000000000f RCX: ffffc90001723000
RDX: 0000000000000006 RSI: ffffffff817b5456 RDI: ffffffff84ee4498
RBP: ffff8801cf857f48 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10039f0af00
R13: ffffffff84eeb100 R14: 0000000000000000 R15: 0000000020fcafec
FS:  00007f0b76da4700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020fcafec CR3: 00000001c311c000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x4512e9
RSP: 002b:00007f0b76da3c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004512e9
RDX: 0000000000000014 RSI: 0000000020fcafec RDI: 0000000000000000
RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004b70fc
R13: 00000000ffffffff R14: 0000000020000000 R15: 0000000000fef000
Code: 00 0f 85 d4 43 00 00 49 8d 46 30 4e 8b 2c ed 20 44 ee 84 48 89 c2 48 89 85 b0 f8 ff ff 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 95 43 00 00 49 8d 7e 04 48 b8 00 00 00 00 00 
RIP: find_and_alloc_map kernel/bpf/syscall.c:103 [inline] RSP: ffff8801cf8577c8
RIP: map_create kernel/bpf/syscall.c:330 [inline] RSP: ffff8801cf8577c8
RIP: SYSC_bpf kernel/bpf/syscall.c:1478 [inline] RSP: ffff8801cf8577c8
RIP: SyS_bpf+0xd18/0x5160 kernel/bpf/syscall.c:1459 RSP: ffff8801cf8577c8
---[ end trace f2cb4418eeabd527 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..